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Hollow-core fiber with nested anti-resonant tubes for low-loss THz guidance

Hasanuzzaman, GKM; Iezekiel, S; Markos, C; Habib, MS; (2018) Hollow-core fiber with nested anti-resonant tubes for low-loss THz guidance. Optics Communications , 426 (C) pp. 477-482. 10.1016/j.optcom.2018.05.071. Green open access

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Abstract

A hollow-core fiber with nested anti-resonant node-free cladding tubes suitable for broadband THz guidance with low transmission losses is proposed. It is shown that the tube separation and tube thickness of the inner elements have a significant effect on the confinement loss and effective material loss of the fiber in the THz band. Using TOPAS copolymer, the proposed fiber was optimized for operation at 1 THz and it is predicted from numerical simulations that loss can be reduced to as low as 0.05 dB/m with a 0.6 THz wide dispersion flattened bandwidth.

Type: Article
Title: Hollow-core fiber with nested anti-resonant tubes for low-loss THz guidance
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.optcom.2018.05.071
Publisher version: https://doi.org/10.1016/j.optcom.2018.05.071
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Fiber design and fabrication, Dispersion, Fiber properties, THz fiber
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10070806
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